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Original file line number Diff line number Diff line change
Expand Up @@ -62,12 +62,12 @@
* Here is the high level logic executed by this class. Users can submit disk
* balancing plans using submitPlan calls. After a set of sanity checks the plan
* is admitted and put into workMap.
* <p>
* </p>
* The executePlan launches a thread that picks up work from workMap and hands
* it over to the BlockMover#copyBlocks function.
* <p>
* Constraints :
* <p>
* </p>
* Only one plan can be executing in a datanode at any given time. This is
* ensured by checking the future handle of the worker thread in submitPlan.
*/
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Expand Up @@ -17,8 +17,9 @@
*/

/**
* This package provides a mechanism for tracking {@link NameNode} startup
* progress. The package models NameNode startup as a series of {@link Phase}s,
* This package provides a mechanism for tracking
* {@link org.apache.hadoop.hdfs.server.namenode.NameNode} startup progress.
* The package models NameNode startup as a series of {@link Phase}s,
* with each phase further sub-divided into multiple {@link Step}s. All phases
* are coarse-grained and typically known in advance, implied by the structure of
* the NameNode codebase (example: loading fsimage). Steps are more granular and
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